UA44749C2 - Спосіб відділення при очищенні газу, виділеного з процесу одержання алюмінію, фторовмісних речовин від газу - Google Patents
Спосіб відділення при очищенні газу, виділеного з процесу одержання алюмінію, фторовмісних речовин від газу Download PDFInfo
- Publication number
- UA44749C2 UA44749C2 UA97062894A UA97062894A UA44749C2 UA 44749 C2 UA44749 C2 UA 44749C2 UA 97062894 A UA97062894 A UA 97062894A UA 97062894 A UA97062894 A UA 97062894A UA 44749 C2 UA44749 C2 UA 44749C2
- Authority
- UA
- Ukraine
- Prior art keywords
- gas
- adsorption
- stage
- aluminum oxide
- separated
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 120
- 239000000126 substance Substances 0.000 title claims abstract description 65
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 title description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 172
- 238000001179 sorption measurement Methods 0.000 claims abstract description 140
- 239000011737 fluorine Substances 0.000 claims abstract description 54
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 54
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000003795 desorption Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 111
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 99
- 239000002245 particle Substances 0.000 claims description 33
- 238000000746 purification Methods 0.000 claims description 18
- 239000012159 carrier gas Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 abstract description 34
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 15
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 5
- 239000004291 sulphur dioxide Substances 0.000 abstract 5
- 239000004411 aluminium Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 26
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 25
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 11
- 238000005868 electrolysis reaction Methods 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 230000002411 adverse Effects 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 6
- 238000011946 reduction process Methods 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002222 fluorine compounds Chemical class 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/22—Collecting emitted gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9404061A SE503678C2 (sv) | 1994-11-23 | 1994-11-23 | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
| PCT/SE1995/001392 WO1996015846A1 (en) | 1994-11-23 | 1995-11-22 | Method for separating substances from a gaseous medium by dry adsorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA44749C2 true UA44749C2 (uk) | 2002-03-15 |
Family
ID=20396087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UA97062894A UA44749C2 (uk) | 1994-11-23 | 1995-11-22 | Спосіб відділення при очищенні газу, виділеного з процесу одержання алюмінію, фторовмісних речовин від газу |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5885539A (is) |
| EP (1) | EP0793527B1 (is) |
| JP (1) | JP3859706B2 (is) |
| CN (1) | CN1070387C (is) |
| AR (1) | AR000261A1 (is) |
| AU (1) | AU687277B2 (is) |
| BR (2) | BR9510702A (is) |
| CA (1) | CA2203669C (is) |
| DE (1) | DE69520593T2 (is) |
| ES (1) | ES2157349T3 (is) |
| IS (1) | IS1778B (is) |
| NO (1) | NO302800B1 (is) |
| NZ (1) | NZ296233A (is) |
| RO (1) | RO115602B1 (is) |
| RU (1) | RU2153923C2 (is) |
| SE (1) | SE503678C2 (is) |
| SI (1) | SI9520117A (is) |
| SK (1) | SK282042B6 (is) |
| TJ (1) | TJ338B (is) |
| UA (1) | UA44749C2 (is) |
| WO (1) | WO1996015846A1 (is) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO307042B1 (no) * | 1996-06-06 | 2000-01-31 | Flaekt Ab | Horisontal fluidseng for transport og distribusjon av pulver |
| DE59703604D1 (de) * | 1996-06-26 | 2001-06-28 | Cs Clean Systems Ag | Verfahren zur entfernung ozonabbauender und/oder klimawirksamer fluorierter verbindungen aus einem gasstrom sowie anwendung des verfahrens |
| NO310933B1 (no) * | 1997-06-25 | 2001-09-17 | Flaekt Ab | Renseanlegg |
| NO314023B1 (no) * | 1998-09-17 | 2003-01-20 | Flaekt Ab | Fremgangsmåte og innretning for å øke effektiviteten for tørre renseanlegg |
| RU2221628C1 (ru) * | 2002-12-15 | 2004-01-20 | Открытое акционерное общество "Сибирский научно-исследовательский, конструкторский и проектный институт алюминиевой и электродной промышленности" | Способ очистки отходящих газов электролитического производства алюминия |
| CN100362140C (zh) * | 2004-07-06 | 2008-01-16 | 贵阳铝镁设计研究院 | 铝电解生产中氟化物净化工艺及其除尘器 |
| RU2315824C2 (ru) * | 2006-02-14 | 2008-01-27 | Общество с ограниченной ответственностью "Русская инжиниринговая компания" | Способ децентрализованной сухой очистки газов от электролизеров для производства алюминия |
| CN101389396B (zh) * | 2006-02-23 | 2013-04-17 | 索立奥斯环境公司 | 提供有化学中和剂和/或吸附剂的至少两个气流反应器的群 |
| FR2917818B1 (fr) * | 2007-06-21 | 2009-09-25 | Solios Environnement Sa | Procede d'optimisation de la commande d'un centre de traitement des fumees d'un four a feu tournant de cuisson de blocs carbones |
| DK2078555T3 (da) * | 2008-01-11 | 2013-11-25 | Ae & E Inova Ag | Fremgangsmåde og anlæg til rensning af røggasser |
| ATE537892T1 (de) * | 2008-10-28 | 2012-01-15 | Alstom Technology Ltd | Verfahren und vorrichtung zum verifizieren und regeln der entfernung von fluorwasserstoff aus einem prozessgas |
| EP2458034A1 (en) | 2010-01-21 | 2012-05-30 | Alstom Technology Ltd | A method of ventilating an aluminium production electrolytic cell |
| EP2407228B1 (en) | 2010-07-14 | 2016-09-07 | General Electric Technology GmbH | Gas cleaning unit and method for cleaning gas |
| EP2431499B1 (en) | 2010-09-17 | 2014-04-23 | Alstom Technology Ltd | Raw gas collection system |
| US20120152265A1 (en) | 2010-12-17 | 2012-06-21 | R.J. Reynolds Tobacco Company | Tobacco-Derived Syrup Composition |
| EP2469207B1 (en) * | 2010-12-22 | 2018-06-20 | General Electric Technology GmbH | Metallurgical plant gas cleaning system, and method of cleaning an effluent gas |
| EP2489422B1 (en) | 2011-02-18 | 2013-10-30 | Alstom Technology Ltd | A device and a method of cleaning an effluent gas from an aluminium production electrolytic cell |
| EP2489421B1 (en) | 2011-02-18 | 2021-03-31 | General Electric Technology GmbH | A wet scrubber for cleaning an effluent gas comprising an inlet gas distributor with a diffusor |
| FR2984366B1 (fr) * | 2011-12-19 | 2014-01-17 | Solios Environnement | Procede et dispositif pour ameliorer la captation du so2 dans des gaz de cuves d'electrolyse |
| US9234286B2 (en) | 2012-05-04 | 2016-01-12 | Alstom Technology Ltd | Recycled pot gas pot distribution |
| US8920540B2 (en) | 2012-06-08 | 2014-12-30 | Alstom Technology Ltd | Compact air quality control system compartment for aluminium production plant |
| FR3029537B1 (fr) * | 2014-12-08 | 2016-12-09 | Rio Tinto Alcan Int Ltd | Usine d'electrolyse et procede de traitement des gaz de cuve |
| FR3032626B1 (fr) | 2015-02-13 | 2020-01-17 | Fives Solios | Procede et dispositif pour ameliorer la captation du so2 issu des gaz de cuves d'electrolyse par un ensemble de modules filtrants |
| FI20155805A (fi) * | 2015-11-04 | 2017-05-05 | Amec Foster Wheeler Energia Oy | Menetelmä kiertoleijupetikattilalaitoksesta syntyvien savukaasujen rikkidioksiidipitoisuuden vähentämiseksi |
| RU2668926C2 (ru) * | 2017-02-16 | 2018-10-04 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Газоочистной блок очистки электролизных газов с газоочистным модулем, содержащим фильтр рукавный и реактор |
| EP3569301B1 (en) | 2018-05-18 | 2021-12-15 | Reel Alesa AG | Apparatus and method for controlled alumina supply |
| CA3197585A1 (en) | 2020-11-06 | 2022-05-12 | David J. Paulson | Dispersible non-wood pulp |
| CA3197590A1 (en) | 2020-11-06 | 2022-05-12 | Kimberly-Clark Worldwide, Inc. | High brightness non-wood pulp |
| NO347339B1 (en) * | 2021-02-10 | 2023-09-25 | Norwegian Emission Abatement Tech As | A system and method for dry sorption |
| FR3155436A1 (fr) * | 2023-11-16 | 2025-05-23 | Fives Solios | Captation d’un composant polluant concentré provenant d’une cuve d’électrolyse pour la production d'aluminium |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2056096B2 (de) * | 1970-11-14 | 1978-09-28 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Abtrennung von Fluorwasserstoff aus Gasen |
| US3760565A (en) * | 1971-07-19 | 1973-09-25 | Aluminum Co Of America | Anti-pollution method |
| SE362901B (is) * | 1971-10-27 | 1973-12-27 | Svenska Flaektfabriken Ab | |
| GB1416344A (en) * | 1972-02-18 | 1975-12-03 | Alcan Res & Dev | Method of recovering fluorine from aluminium reduction cell waste gases |
| GB1571222A (en) * | 1977-03-10 | 1980-07-09 | Ardal Og Sunndal Verk | Process and apparatus for treatment of waste gases |
| CA1197074A (en) * | 1981-12-04 | 1985-11-26 | Isaias Loukos | Method and apparatus for cleaning waste gases from aluminum production facilities |
| JP2592115B2 (ja) * | 1988-10-27 | 1997-03-19 | 三菱重工業株式会社 | Ｓｏ▲下２▼含有排ガスからｓｏ▲下２▼を徐去する方法 |
| JPH06501194A (ja) * | 1990-08-03 | 1994-02-10 | コマルコ・アルミニウム・リミテッド | ガス―固体接触法 |
| IS3896A (is) * | 1991-08-07 | 1993-02-08 | Comalco Aluminium Limited | Hreinsun á loftkenndum flúoríðum úr útblæstri iðjuvera |
| JPH0741309A (ja) * | 1993-05-07 | 1995-02-10 | Inco Ltd | 二酸化硫黄含有ガスの脱硫方法 |
-
1994
- 1994-11-23 SE SE9404061A patent/SE503678C2/sv not_active IP Right Cessation
-
1995
- 1995-11-22 SK SK632-97A patent/SK282042B6/sk not_active IP Right Cessation
- 1995-11-22 RU RU97110225/12A patent/RU2153923C2/ru active
- 1995-11-22 TJ TJ97000472A patent/TJ338B/xx unknown
- 1995-11-22 UA UA97062894A patent/UA44749C2/uk unknown
- 1995-11-22 ES ES95938692T patent/ES2157349T3/es not_active Expired - Lifetime
- 1995-11-22 DE DE69520593T patent/DE69520593T2/de not_active Expired - Fee Related
- 1995-11-22 NZ NZ296233A patent/NZ296233A/xx not_active IP Right Cessation
- 1995-11-22 JP JP51678296A patent/JP3859706B2/ja not_active Expired - Fee Related
- 1995-11-22 SI SI9520117A patent/SI9520117A/sl not_active IP Right Cessation
- 1995-11-22 CA CA002203669A patent/CA2203669C/en not_active Expired - Lifetime
- 1995-11-22 EP EP95938692A patent/EP0793527B1/en not_active Expired - Lifetime
- 1995-11-22 CN CN95196407A patent/CN1070387C/zh not_active Expired - Lifetime
- 1995-11-22 AR AR33433795A patent/AR000261A1/es unknown
- 1995-11-22 RO RO97-00935A patent/RO115602B1/ro unknown
- 1995-11-22 BR BR9510702-9A patent/BR9510702A/pt not_active IP Right Cessation
- 1995-11-22 US US08/836,718 patent/US5885539A/en not_active Expired - Lifetime
- 1995-11-22 WO PCT/SE1995/001392 patent/WO1996015846A1/en not_active Ceased
- 1995-11-22 AU AU39974/95A patent/AU687277B2/en not_active Expired
-
1997
- 1997-04-23 IS IS4471A patent/IS1778B/is unknown
- 1997-05-22 NO NO19972347A patent/NO302800B1/no not_active IP Right Cessation
- 1997-05-23 BR BR9703383A patent/BR9703383A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE9404061L (sv) | 1996-05-24 |
| NO972347D0 (no) | 1997-05-22 |
| CA2203669A1 (en) | 1996-05-30 |
| NZ296233A (en) | 1998-10-28 |
| TJ338B (en) | 2002-07-01 |
| NO972347L (no) | 1997-05-22 |
| IS1778B (is) | 2001-08-15 |
| AU3997495A (en) | 1996-06-17 |
| WO1996015846A1 (en) | 1996-05-30 |
| AU687277B2 (en) | 1998-02-19 |
| JPH10509215A (ja) | 1998-09-08 |
| SE503678C2 (sv) | 1996-07-29 |
| CN1166791A (zh) | 1997-12-03 |
| DE69520593T2 (de) | 2001-10-31 |
| SK282042B6 (sk) | 2001-10-08 |
| CA2203669C (en) | 2006-03-14 |
| EP0793527B1 (en) | 2001-04-04 |
| DE69520593D1 (de) | 2001-05-10 |
| RO115602B1 (ro) | 2000-04-28 |
| IS4471A (is) | 1997-04-23 |
| EP0793527A1 (en) | 1997-09-10 |
| CN1070387C (zh) | 2001-09-05 |
| ES2157349T3 (es) | 2001-08-16 |
| AR000261A1 (es) | 1997-06-18 |
| SK63297A3 (en) | 1997-10-08 |
| NO302800B1 (no) | 1998-04-27 |
| RU2153923C2 (ru) | 2000-08-10 |
| US5885539A (en) | 1999-03-23 |
| BR9510702A (pt) | 2000-11-07 |
| SI9520117A (en) | 1997-08-31 |
| JP3859706B2 (ja) | 2006-12-20 |
| SE9404061D0 (sv) | 1994-11-23 |
| BR9703383A (pt) | 1998-08-25 |
| MX9703458A (es) | 1997-07-31 |
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